Unisex .The K2 Skate Redline 125 C Racing Inline Skates in size US 6.5 are high-performance inline skates designed for outdoor sports enthusiasts. With a focus on speed and agility, these skates feature a durable construction and a comfortable fit for all-day wear. The K2 brand is known for its quality and innovation in the inline skating world, making these skates a top choice for serious skaters looking to take their skills to the next level.